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Journal of Imaging, Volume 6, Issue 5

May 2020 - 10 articles

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Cover Story: In this study, we evaluate velocity of the tongue tip with magnetic resonance imaging (MRI) using two independent approaches. The first approach is by acquisition with a real-time technique in the mid-sagittal plane. Tracking of the tongue tip manually and with a computer vision method allows its trajectory to be found and the velocity to be calculated as the derivative of the coordinate. We also propose the use of another approach—phase contrast MRI—which enables velocities of the moving tissues to be measured directly. Simultaneous sound recording enabled us to find the relation between the movements and the sound. The results of both methods are in qualitative agreement and are consistent with other reviewer techniques used for evaluation of the tongue tip velocity. View this paper

Articles (10)

  • Article
  • Open Access
5,081 Views
13 Pages

Comparative Study of Contact Repulsion in Control and Mutant Macrophages Using a Novel Interaction Detection

  • José Alonso Solís-Lemus,
  • Besaiz J Sánchez-Sánchez,
  • Stefania Marcotti,
  • Mubarik Burki,
  • Brian Stramer and
  • Constantino Carlos Reyes-Aldasoro

In this paper, a novel method for interaction detection is presented to compare the contact dynamics of macrophages in the Drosophila embryo. The study is carried out by a framework called macrosight, which analyses the movement and interaction of mi...

  • Article
  • Open Access
1 Citations
3,841 Views
12 Pages

On a Method For Reconstructing Computed Tomography Datasets from an Unstable Source

  • Nicholas Stull,
  • Josh McCumber,
  • Lawrence D'Aries,
  • Michelle Espy,
  • Cort Gautier and
  • James Hunter

As work continues in neutron computed tomography, at Los Alamos Neutron Science Center (LANSCE) and other locations, source reliability over the long imaging times is an issue of increasing importance. Moreover, given the time commitment involved in...

  • Article
  • Open Access
17 Citations
5,528 Views
20 Pages

Many modern sensing systems rely on the accurate extraction of measurement data from digital images. The localization of edges and streaks in digital images is an important example of this type of measurement, with these techniques appearing in many...

  • Article
  • Open Access
4 Citations
3,851 Views
17 Pages

This cross-sectional study aims to assess the influence of maternal smoking and alcohol consumption during pregnancy on the facial shape of non-syndromic English adolescents and demonstrate the potential benefits of using multilevel principal compone...

  • Article
  • Open Access
13 Citations
4,696 Views
17 Pages

Historical document analysis systems gain importance with the increasing efforts in the digitalization of archives. Page segmentation and layout analysis are crucial steps for such systems. Errors in these steps will affect the outcome of handwritten...

  • Article
  • Open Access
4 Citations
4,574 Views
14 Pages

Measurement of Tongue Tip Velocity from Real-Time MRI and Phase-Contrast Cine-MRI in Consonant Production

  • Karyna Isaieva,
  • Yves Laprie,
  • Freddy Odille,
  • Ioannis K. Douros,
  • Jacques Felblinger and
  • Pierre-André Vuissoz

We evaluate velocity of the tongue tip with magnetic resonance imaging (MRI) using two independent approaches. The first one consists in acquisition with a real-time technique in the mid-sagittal plane. Tracking of the tongue tip manually and with a...

  • Project Report
  • Open Access
32 Citations
8,249 Views
22 Pages

The aim of this study is to evaluate the degradation of the accuracy and quality of the images in relation to the TIFF format and the different compression level of the JPEG format compared to the raw images acquired by UAV platform. Experiments were...

  • Article
  • Open Access
57 Citations
8,239 Views
12 Pages

Unsupervised Clustering of Hyperspectral Paper Data Using t-SNE

  • Binu Melit Devassy,
  • Sony George and
  • Peter Nussbaum

For a suspected forgery that involves the falsification of a document or its contents, the investigator will primarily analyze the document’s paper and ink in order to establish the authenticity of the subject under investigation. As a non-dest...

  • Article
  • Open Access
5 Citations
4,447 Views
16 Pages

Redesigned Skip-Network for Crowd Counting with Dilated Convolution and Backward Connection

  • Sorn Sooksatra,
  • Toshiaki Kondo,
  • Pished Bunnun and
  • Atsuo Yoshitaka

Crowd counting is a challenging task dealing with the variation of an object scale and a crowd density. Existing works have emphasized on skip connections by integrating shallower layers with deeper layers, where each layer extracts features in a dif...

  • Article
  • Open Access
5 Citations
4,736 Views
24 Pages

Fusing Appearance and Spatio-Temporal Models for Person Re-Identification and Tracking

  • Andrew Tzer-Yeu Chen,
  • Morteza Biglari-Abhari and
  • Kevin I-Kai Wang

Knowing who is where is a common task for many computer vision applications. Most of the literature focuses on one of two approaches: determining who a detected person is (appearance-based re-identification) and collating positions into a list, or de...